---Would you like to have another cup of tea?
---Yes, ______.
--I can't stop smoking, doctor.
--For your health, I'm afraid you ________.
--Who is the man over there? Is it our English teacher?
--No, it ________ be our English teacher. It ________ be our Chinese teacher because our Chinese teacher is much taller than our English teacher.
---How long ________ the woman ________?
---Two years.
---The young pioneers often help the old man do some cleaning.
---________.
---Is this your new school building?
---Yes.It ________ last year.
---Who is ________ in your class?
---Fred is.
---What does your sister look ________?
---She has two big eyes and she is quite tall.